Elecnor, S.A. engages in infrastructure, and concessions and investments businesses in Spain and internationally. The company distributes electricity, operates power transport lines and transformation substations, generates power from wind farms, solar plants, combined cycle plants, and hydroelectric plants, and provides gas related services covering gas pipeline transportation and distribution. Also develops infrastructure systems, carries out electrification, signaling, interlock, communications, and control system turnkey projects for railways, metros, trams & trolley buses.